Is it insulin or calories that make us gain weight?

What really matters for weight loss? Calories in and calories out, or are our bodies’ weight carefully regulated by hormones, such as the fat-storing hormone insulin?

In this presentation from the 2015 LCHF Conference in Cape Town I describe why the second explanation – about hormones – makes much more sense. And why the first one – about calories – is a simplistic description that completely fails to address the cause of obesity.

Watch it

Watch a new 2-minute highlight above (transcript). The full 36-minute presentation is available (with captions and transcript) with a free trial or membership: